(23.45) Before bringing a new product to market, firms carry out extensive studi

Question

(23.45) Before bringing a new product to market, firms carry out extensive studies to learn how consumers react to the product and how best to advertise its advantages. Here are data from a study of a new laundry detergent. The subjects are people who don't currently use the established brand that the new product will compete with. Give subjects free samples of both detergents. After they have tried both for a while, ask which they prefer. The answers may depend on other facts about how people do laundry.

How do laundry practices (water hardness and wash temperature) influence the choice of detergent? Give the percents (±0.1) of those who prefer the new product in each group:

In which settings does the new detergent do best?

                                          Laundry Practices

Explanation / Answer

Following table shows the total of column:

Following table shows the percentage distribution:

Since percentage of Hard water, warm wash is highest so the new detergent do best in Hard water, warm wash 61.95%.

Laundry Practices Soft water, Soft water, Hard water, Hard water, wrm wash hot wash warm wash hot wash Prefer standard product 52 28 43 29 Prefer new product 63 28 70 43 Total 115 56 113 72

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